Control system for an optical data recording apparatus

Controls for optical disk relating to accessing and utilization

Copy protection system and method for optical disks and a...

Correcting recorded marks and land lengths taken from an optical

Cross interleaving circuit

Data playback apparatus for realizing high transfer date

Data processing circuit for disc player

Data processing method and data processing apparatus

Data reading apparatus for identifying position of data tracks

Data readout system for optical disk having maximum likehood dat

Data readout system for optical disk having maximum likelihood d

Data recording and reading system

Data recording and reproducing apparatus and method with phase e

Data recording and reproducing method for multi-layered optical

Data recording and reproducing methods

Data recording and reproducing methods

Data recording apparatus

Data recording apparatus for recording data in sector units

Data recording apparatus, method therefor, data reproducing appa

Data recording area signal generating method and apparatus